Jacob Marganski, M.D.
Emergency Medicine Physician · Saint Louis, MO
Jacob Marganski, M.D. is an emergency medicine physician with a practice address in Saint Louis, Missouri, and NPI 1245679158, issued on Jun 24, 2013. Check the license (Missouri 2013020131, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Jacob Marganski
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 2013020131 MO
MD60727543 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4901 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 747-3000
- Enumerated
- Jun 24, 2013
- Record last updated
- Oct 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171011002521); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 4901 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jacob Marganski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013020131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average emergency medicine physician in 2024
356 Medicare Part D claims for 183 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 52 claims were for opioids.
Most prescribed
- Cefdinir59 claims
- Hydrocodone-Acetaminophen43 claims
- Albuterol Sulfate Hfa31 claims
- Ondansetron Odt31 claims
- Azithromycin22 claims
- Amoxicillin-Clavulanate Potass18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Northwest Emergency Physicians LLCAberdeen, WA
- Sunnyside Emergency Group A Professional LLCSunnyside, WA
- Tacoma Emergency Care Physicians PLLCTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Marganski among 1,405 emergency medicine physician records in Missouri
Jacob Marganski, M.D. is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.
- NPI issued2013 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2012 among the 808 with a school on file
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
398 emergency medicine physician records list a practice address in Saint Louis
They are 398 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Saint Louis → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Stephan Brenner, MDSaint Louis, MO 631081306019914
- Philip Gomez, MDSaint Louis, MO 631081518372390
- John Morrison, M.DSaint Louis, MO 631081174963052
- Nagla Abdelmalek, M.D.Saint Louis, MO 631061003847591
- Abdul Al-Roubaie, MDSaint Louis, MO 631061982667184
- David Amin, MDSaint Louis, MO 631101528003787
- Brian Cohn, MDSaint Louis, MO 631101649206061
- Robert Corley, M.D.Saint Louis, MO 631061427004829
Common questions
What is Jacob Marganski, M.D.'s NPI number?
Jacob Marganski, M.D.'s National Provider Identifier (NPI) is 1245679158, issued on Jun 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Marganski, M.D. located?
The NPPES record lists a practice address at 4901 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 747-3000. Providers update this record themselves, so call before visiting.
How can I verify Jacob Marganski, M.D.'s license?
NPPES lists Missouri license number 2013020131, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacob Marganski, M.D. prescribe under Medicare Part D?
In 2024, Jacob Marganski, M.D. had 356 Medicare Part D claims for 183 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.